Ajay Kumar

Orcid: 0000-0002-3761-2436

Affiliations:
  • Hong Kong Polytechnic University, Department of Computing, Hong Kong
  • Indian Institute of Technology Delhi, Department of Electrical Engineering, New Delhi, India (former)


According to our database1, Ajay Kumar authored at least 125 papers between 2002 and 2024.

Collaborative distances:
  • Dijkstra number2 of four.
  • Erdős number3 of four.

Timeline

Legend:

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Bibliography

2024
Finger-Knuckle Assisted Slap Fingerprint Identification System for Higher Security and Convenience.
IEEE Trans. Inf. Forensics Secur., 2024

2023
Synthesis of Multi-View 3D Fingerprints to Advance Contactless Fingerprint Identification.
IEEE Trans. Pattern Anal. Mach. Intell., November, 2023

BEST: Building evidences from scattered templates for accurate contactless palmprint recognition.
Pattern Recognit., June, 2023

Completely Contactless and Online Finger Knuckle Identification for Real World Applications.
IEEE J. Sel. Top. Signal Process., May, 2023

Detecting Locally, Patching Globally: An End-to-End Framework for High Speed and Accurate Detection of Fingerprint Minutiae.
IEEE Trans. Inf. Forensics Secur., 2023

A Characteristic Function-Based Method for Bottom-Up Human Pose Estimation.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2023

2022
Think Twice Before Detecting GAN-generated Fake Images from their Spectral Domain Imprints.
Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition, 2022

2021
Periocular-Assisted Multi-Feature Collaboration for Dynamic Iris Recognition.
IEEE Trans. Inf. Forensics Secur., 2021

Minutiae Attention Network With Reciprocal Distance Loss for Contactless to Contact-Based Fingerprint Identification.
IEEE Trans. Inf. Forensics Secur., 2021

Deep Feature Collaboration for Challenging 3D Finger Knuckle Identification.
IEEE Trans. Inf. Forensics Secur., 2021

Accurate 3D Finger Knuckle Recognition Using Auto-Generated Similarity Functions.
IEEE Trans. Biom. Behav. Identity Sci., 2021

2020
Efficient and Accurate 3D Finger Knuckle Matching Using Surface Key Points.
IEEE Trans. Image Process., 2020

Towards More Accurate Contactless Fingerprint Minutiae Extraction and Pose-Invariant Matching.
IEEE Trans. Inf. Forensics Secur., 2020

Contactless Palmprint Identification Using Deeply Learned Residual Features.
IEEE Trans. Biom. Behav. Identity Sci., 2020

Contactless Biometric Identification Using 3D Finger Knuckle Patterns.
IEEE Trans. Pattern Anal. Mach. Intell., 2020

Segmentation-Aware and Adaptive Iris Recognition.
CoRR, 2020

Distinctive Feature Representation for Contactless 3D Hand Biometrics using Surface Normal Directions.
Proceedings of the 2020 IEEE International Joint Conference on Biometrics, 2020

2019
Numerical Reflectance Compensation for Non-Lambertian Photometric Stereo.
IEEE Trans. Image Process., 2019

Revisiting Outlier Rejection Approach for Non-Lambertian Photometric Stereo.
IEEE Trans. Image Process., 2019

Toward More Accurate Iris Recognition Using Dilated Residual Features.
IEEE Trans. Inf. Forensics Secur., 2019

A CNN-Based Framework for Comparison of Contactless to Contact-Based Fingerprints.
IEEE Trans. Inf. Forensics Secur., 2019

Toward More Accurate Matching of Contactless Palmprint Images Under Less Constrained Environments.
IEEE Trans. Inf. Forensics Secur., 2019

Toward Pose Invariant and Completely Contactless Finger Knuckle Recognition.
IEEE Trans. Biom. Behav. Identity Sci., 2019

Finger vein identification using Convolutional Neural Network and supervised discrete hashing.
Pattern Recognit. Lett., 2019

A deep learning based unified framework to detect, segment and recognize irises using spatially corresponding features.
Pattern Recognit., 2019

Cross-spectral iris recognition using CNN and supervised discrete hashing.
Pattern Recognit., 2019

Multibiometrics User Recognition using Adaptive Cohort Ranking.
Proceedings of the 2019 International Conference on Biometrics, 2019

2018
Contactless 3D Fingerprint Identification
Advances in Computer Vision and Pattern Recognition, Springer, ISBN: 978-3-319-67680-7, 2018

Matching Contactless and Contact-Based Conventional Fingerprint Images for Biometrics Identification.
IEEE Trans. Image Process., 2018

Improving Periocular Recognition by Explicit Attention to Critical Regions in Deep Neural Network.
IEEE Trans. Inf. Forensics Secur., 2018

Contactless and partial 3D fingerprint recognition using multi-view deep representation.
Pattern Recognit., 2018

Tetrahedron Based Fast 3D Fingerprint Identification Using Colored LEDs Illumination.
IEEE Trans. Pattern Anal. Mach. Intell., 2018

A Deep Learning based Framework to Detect and Recognize Humans using Contactless Palmprints in the Wild.
CoRR, 2018

Contactless 3D fingerprint identification without 3D reconstruction.
Proceedings of the 2018 International Workshop on Biometrics and Forensics, 2018

Advancing Surface Feature Encoding and Matching for More Accurate 3D Biometric Recognition.
Proceedings of the 24th International Conference on Pattern Recognition, 2018

2017
Toward More Accurate Iris Recognition Using Cross-Spectral Matching.
IEEE Trans. Image Process., 2017

Accurate Periocular Recognition Under Less Constrained Environment Using Semantics-Assisted Convolutional Neural Network.
IEEE Trans. Inf. Forensics Secur., 2017

Towards More Accurate Iris Recognition Using Deeply Learned Spatially Corresponding Features.
Proceedings of the IEEE International Conference on Computer Vision, 2017

Multi-Siamese networks to accurately match contactless to contact-based fingerprint images.
Proceedings of the 2017 IEEE International Joint Conference on Biometrics, 2017

2016
Suspecting Less and Doing Better: New Insights on Palmprint Identification for Faster and More Accurate Matching.
IEEE Trans. Inf. Forensics Secur., 2016

Personal Identification Using Minor Knuckle Patterns From Palm Dorsal Surface.
IEEE Trans. Inf. Forensics Secur., 2016

A 3D Feature Descriptor Recovered from a Single 2D Palmprint Image.
IEEE Trans. Pattern Anal. Mach. Intell., 2016

Adaptive management of multimodal biometrics fusion using ant colony optimization.
Inf. Fusion, 2016

Interdigital palm region for biometric identification.
Comput. Vis. Image Underst., 2016

A Cell-Array-Based Multibiometric Cryptosystem.
IEEE Access, 2016

Improving cross sensor interoperability for fingerprint identification.
Proceedings of the 23rd International Conference on Pattern Recognition, 2016

On matching cross-spectral periocular images for accurate biometrics identification.
Proceedings of the 8th IEEE International Conference on Biometrics Theory, 2016

2015
Anatomy of the Hand.
Proceedings of the Encyclopedia of Biometrics, Second Edition, 2015

Fusion, Rank-Level.
Proceedings of the Encyclopedia of Biometrics, Second Edition, 2015

Recovering and matching minutiae patterns from finger knuckle images.
Pattern Recognit. Lett., 2015

Towards Contactless, Low-Cost and Accurate 3D Fingerprint Identification.
IEEE Trans. Pattern Anal. Mach. Intell., 2015

An Accurate Iris Segmentation Framework Under Relaxed Imaging Constraints Using Total Variation Model.
Proceedings of the 2015 IEEE International Conference on Computer Vision, 2015

2014
Accurate Iris Recognition at a Distance Using Stabilized Iris Encoding and Zernike Moments Phase Features.
IEEE Trans. Image Process., 2014

Efficient and Accurate At-a-Distance Iris Recognition Using Geometric Key-Based Iris Encoding.
IEEE Trans. Inf. Forensics Secur., 2014

Importance of Being Unique From Finger Dorsal Patterns: Exploring Minor Finger Knuckle Patterns in Verifying Human Identities.
IEEE Trans. Inf. Forensics Secur., 2014

Integrating ocular and iris descriptors for fake iris image detection.
Proceedings of the 2nd International Workshop on Biometrics and Forensics, 2014

Periocular Recognition Using Unsupervised Convolutional RBM Feature Learning.
Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Adaptive Security for Human Surveillance Using Multimodal Open Set Biometric Recognition.
Proceedings of the 22nd International Conference on Pattern Recognition, 2014

Can We Use Second Minor Finger Knuckle Patterns to Identify Humans?
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2014

2013
Towards Online Iris and Periocular Recognition Under Relaxed Imaging Constraints.
IEEE Trans. Image Process., 2013

Robust ear identification using sparse representation of local texture descriptors.
Pattern Recognit., 2013

Adaptive and localized iris weight map for accurate iris recognition under less constrained environments.
Proceedings of the IEEE Sixth International Conference on Biometrics: Theory, 2013

2012
Unified Framework for Automated Iris Segmentation Using Distantly Acquired Face Images.
IEEE Trans. Image Process., 2012

Human Identification Using Finger Images.
IEEE Trans. Image Process., 2012

Reliable ear identification using 2-D quadrature filters.
Pattern Recognit. Lett., 2012

Automated human identification using ear imaging.
Pattern Recognit., 2012

Human identification from at-a-distance images by simultaneously exploiting iris and periocular features.
Proceedings of the 21st International Conference on Pattern Recognition, 2012

Human identification from at-a-distance face images using sparse representation of local iris features.
Proceedings of the 5th IAPR International Conference on Biometrics, 2012

Iris recognition using quaternionic sparse orientation code (QSOC).
Proceedings of the 2012 IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops, 2012

Efficient iris segmentation using Grow-Cut algorithm for remotely acquired iris images.
Proceedings of the IEEE Fifth International Conference on Biometrics: Theory, 2012

Can we use minor finger knuckle images to identify humans?
Proceedings of the IEEE Fifth International Conference on Biometrics: Theory, 2012

2011
Personal Identification Using Multibiometrics Rank-Level Fusion.
IEEE Trans. Syst. Man Cybern. Part C, 2011

Contactless and Pose Invariant Biometric Identification Using Hand Surface.
IEEE Trans. Image Process., 2011

Human Identification Using Palm-Vein Images.
IEEE Trans. Inf. Forensics Secur., 2011

A Unified Framework for Contactless Hand Verification.
IEEE Trans. Inf. Forensics Secur., 2011

Incorporating color information for reliable palmprint authentication.
Proceedings of the 18th IEEE International Conference on Image Processing, 2011

Automated segmentation of iris images using visible wavelength face images.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2011

Contactless fingerprint identification using level zero features.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2011

2010
Improving Biometric Authentication Performance From the User Quality.
IEEE Trans. Instrum. Meas., 2010

A new framework for adaptive multimodal biometrics management.
IEEE Trans. Inf. Forensics Secur., 2010

Robust palmprint verification using 2D and 3D features.
Pattern Recognit., 2010

Comparison and combination of iris matchers for reliable personal authentication.
Pattern Recognit., 2010

Personal Identification from Iris Images Using Localized Radon Transform.
Proceedings of the 20th International Conference on Pattern Recognition, 2010

Palmprint recognition using rank level fusion.
Proceedings of the International Conference on Image Processing, 2010

Human hand identification with 3D hand pose variations.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2010

Contactless palm vein identification using multiple representations.
Proceedings of the Fourth IEEE International Conference on Biometrics: Theory Applications and Systems, 2010

Improved palmprint authentication using contactless imaging.
Proceedings of the Fourth IEEE International Conference on Biometrics: Theory Applications and Systems, 2010

2009
Anatomy of Hand.
Proceedings of the Encyclopedia of Biometrics, 2009

Fusion, Rank-Level.
Proceedings of the Encyclopedia of Biometrics, 2009

Personal Authentication Using Hand Vein Triangulation and Knuckle Shape.
IEEE Trans. Image Process., 2009

Personal authentication using finger knuckle surface.
IEEE Trans. Inf. Forensics Secur., 2009

On estimating performance indices for biometric identification.
Pattern Recognit., 2009

User Authentication Using Fusion of Face and Palmprint.
Int. J. Image Graph., 2009

Development of a New Cryptographic Construct Using Palmprint-Based Fuzzy Vault.
EURASIP J. Adv. Signal Process., 2009

Combining 2D and 3D hand geometry features for biometric verification.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2009

2008
Comments on "An Adaptive Multimodal Biometric Management Algorithm".
IEEE Trans. Syst. Man Cybern. Part C, 2008

Computer-Vision-Based Fabric Defect Detection: A Survey.
IEEE Trans. Ind. Electron., 2008

Micro power battery state-of-charge monitor.
IEEE Trans. Consumer Electron., 2008

A New Antispoofing Approach for Biometric Devices.
IEEE Trans. Biomed. Circuits Syst., 2008

Incorporating Cohort Information for Reliable Palmprint Authentication.
Proceedings of the Sixth Indian Conference on Computer Vision, Graphics & Image Processing, 2008

Tongue line extraction.
Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

Online personal identification in night using multiple face representations.
Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

Multimodal biometrics management using adaptive score-level combination.
Proceedings of the 19th International Conference on Pattern Recognition (ICPR 2008), 2008

Incorporating user quality for performance improvement in hand identification.
Proceedings of the 10th International Conference on Control, 2008

Comparison and combination of iris matchers for reliable personal identification.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2008

2007
Hand-Geometry Recognition Using Entropy-Based Discretization.
IEEE Trans. Inf. Forensics Secur., 2007

An Innovative Battery Charger for Safe Charging of NiMH/NiCd Batteries.
IEEE Trans. Consumer Electron., 2007

On Some Performance Indices for Biometric Identification System.
Proceedings of the Advances in Biometrics, International Conference, 2007

Biometric Recognition using Entropy-Based Discretization.
Proceedings of the IEEE International Conference on Acoustics, 2007

Biometric Authentication using Finger-Back Surface.
Proceedings of the 2007 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2007), 2007

Improving Iris Identification using User Quality and Cohort Information.
Proceedings of the 2007 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2007), 2007

A Novel Approach to Improve Biometric Recognition Using Rank Level Fusion.
Proceedings of the 2007 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR 2007), 2007

2006
Personal recognition using hand shape and texture.
IEEE Trans. Image Process., 2006

Personal authentication using hand images.
Pattern Recognit. Lett., 2006

Integrating Shape and Texture for Hand Verification.
Int. J. Image Graph., 2006

Combining Fingerprint, Palmprint and Hand-Shape for User Authentication.
Proceedings of the 18th International Conference on Pattern Recognition (ICPR 2006), 2006

Estimating Sample Size Requirements for Reliable Personal Authentication Using User-Specific Samples.
Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 2006

2005
Personal authentication using multiple palmprint representation.
Pattern Recognit., 2005

Biometric Recognition Using Feature Selection and Combination.
Proceedings of the Audio- and Video-Based Biometric Person Authentication, 2005

2004
Palmprint identification using palmcodes.
Proceedings of the Third International Conference on Image and Graphics, 2004

2003
Neural network based detection of local textile defects.
Pattern Recognit., 2003

Inspection of surface defects using optimal FIR filters.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Personal Verification Using Palmprint and Hand Geometry Biometric.
Proceedings of the Audio-and Video-Based Biometrie Person Authentication, 2003

2002
Defect detection in textured materials using optimized filters.
IEEE Trans. Syst. Man Cybern. Part B, 2002

Texture inspection for defects using neural networks and support vector machines.
Proceedings of the 2002 International Conference on Image Processing, 2002


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